Numbers 2:18-20

American Standard Version

¹⁸ On the west side shall be the standard of the camp of Ephraim according to their hosts: and the prince of the children of Ephraim shall be Elishama the son of Ammihud. ¹⁹ And his host, and those that were numbered of them, were forty thousand and five hundred. ²⁰ And next unto him shall be the tribe of Manasseh: and the prince of the children of Manasseh shall be Gamaliel the son of Pedahzur.